GSP
Quick Navigator

Search Site

Unix VPS
A - Starter
B - Basic
C - Preferred
D - Commercial
MPS - Dedicated
Previous VPSs
* Sign Up! *

Support
Contact Us
Online Help
Handbooks
Domain Status
Man Pages

FAQ
Virtual Servers
Pricing
Billing
Technical

Network
Facilities
Connectivity
Topology Map

Miscellaneous
Server Agreement
Year 2038
Credits
 

USA Flag

 

 

Man Pages


Manual Reference Pages  -  DBIX::CLASS::STORAGE::DBI::ADO::MICROSOFT_SQL_SERVER (3)

.ds Aq ’

NAME

DBIx::Class::Storage::DBI::ADO::Microsoft_SQL_Server - Support for Microsoft SQL Server via DBD::ADO

CONTENTS

SYNOPSIS

This subclass supports MSSQL server connections via DBD::ADO.

DESCRIPTION

The MSSQL specific functionality is provided by DBIx::Class::Storage::DBI::MSSQL.

EXAMPLE DSN



  dbi:ADO:provider=sqlncli10;server=EEEBOX\SQLEXPRESS



CAVEATS

    identities

_identity_method is set to @@identity, as SCOPE_IDENTITY() doesn’t work with DBD::ADO. See IMPLEMENTATION NOTES in DBIx::Class::Storage::DBI::MSSQL for caveats regarding this.

    truncation bug

There is a bug with MSSQL ADO providers where data gets truncated based on the size of the bind sizes in the first prepare call:

<https://rt.cpan.org/Ticket/Display.html?id=52048>

The ado_size workaround is used (see ADO providers in DBD::ADO) with the approximate maximum size of the data_type of the bound column, or 8000 (maximum VARCHAR size) if the data_type is not available.

Please report problems with this driver and send patches.

    LongReadLen

LongReadLen is set to LongReadLen * 2 + 1 on connection as it is necessary for some LOB types. Be aware of this if you localize this value on the $dbh directly.

    binary data

Due perhaps to the ado_size workaround we use, and/or other reasons, binary data such as varbinary column data comes back padded with trailing NULL chars. The Cursor class for this driver (DBIx::Class::Storage::DBI::ADO::Microsoft_SQL_Server::Cursor) removes them, of course if your binary data is actually NULL padded that may be an issue to keep in mind when using this driver.

    uniqueidentifier columns

uniqueidentifier columns come back from ADO wrapped in braces and must be submitted to the MSSQL ADO driver wrapped in braces. We take care of this transparently in this driver and the associated Cursor class (DBIx::Class::Storage::DBI::ADO::Microsoft_SQL_Server::Cursor) so that you don’t have to use braces in most cases (except in literal SQL, in those cases you will have to add the braces yourself.)

    fractional seconds

Fractional seconds with DBIx::Class::InflateColumn::DateTime are not currently supported, datetimes are truncated at the second.

FURTHER QUESTIONS?

Check the list of additional DBIC resources.

COPYRIGHT AND LICENSE

This module is free software copyright by the DBIx::Class (DBIC) authors. You can redistribute it and/or modify it under the same terms as the DBIx::Class library.
Search for    or go to Top of page |  Section 3 |  Main Index


perl v5.20.3 DBIX::CLASS::STORAGE::DBI::ADO::MICROSOFT_SQL_SERVER (3) 2016-02-11

Powered by GSP Visit the GSP FreeBSD Man Page Interface.
Output converted with manServer 1.07.